<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
    <link
      rel="stylesheet"
      href="	https://cdn.jsdelivr.net/npm/bootstrap@5.3.0-alpha1/dist/css/bootstrap.min.css"
    />
    <style>
      .red {
        color: red;
      }
    </style>
  </head>

  <body>
    <div id="app">
      <div class="container">
        <!-- 顶部搜索框模块 -->
        <div class="form-group">
          <div class="input-group">
            <h4>品牌管理</h4>
          </div>
        </div>

        <!-- 数据表格 -->
        <table class="table table-bordered table-hover mt-2">
          <thead>
            <tr>
              <th>编号</th>
              <th>资产名称</th>
              <th>价格</th>
              <th>创建时间</th>
              <th>操作</th>
            </tr>
          </thead>
          <tbody>
            <tr v-for="(item,index) in list" :key="item.id">
              <td>{{ item.id }}</td>
              <td>{{ item.name }}</td>

              <!-- 如果价格超过100，就有red这个类 -->
              <td :class="{red :item.price > 100}">{{ item.price }}</td>
              <td>{{ item.time }}</td>
              <td><a href="#" @click="del(item.id)">删除</a></td>
            </tr>
            <tr style="background-color: #eee" v-if="this.list.length">
              <td>统计:</td>
              <td colspan="2">总价钱为:{{ totalPrice }}</td>
              <td colspan="2">平均价: {{ perPrice }}</td>
            </tr>
          </tbody>
          <tfoot>
            <tr v-if="this.list.length <= 0">
              <td colspan="5" style="text-align: center">暂无数据</td>
            </tr>
          </tfoot>
        </table>

        <!-- 添加资产 -->
        <form class="form-inline">
          <div class="form-group">
            <div class="input-group">
              <input
                type="text"
                class="form-control"
                placeholder="资产名称"
                v-model="addName"
              />
            </div>
          </div>
          &nbsp;&nbsp;&nbsp;&nbsp;
          <div class="form-group">
            <div class="input-group">
              <input
                type="text"
                class="form-control"
                placeholder="价格"
                v-model="addPrice"
              />
            </div>
          </div>
          &nbsp;&nbsp;&nbsp;&nbsp;
          <!-- 阻止表单提交 -->
          <button class="btn btn-primary" @click="add">添加资产</button>
        </form>
      </div>
    </div>
    <script src="./vue.js"></script>
    <script>
      const app = new Vue({
        el: "#app",
        data: {
          name: "", // 名称
          price: 0, // 价格
          list: [
            { id: 100, name: "外套", price: 199, time: "2010-08-12" },
            { id: 101, name: "裤子", price: 34, time: "2013-09-01" },
            { id: 102, name: "鞋", price: 25.4, time: "2018-11-22" },
            { id: 103, name: "头发", price: 19900, time: "2020-12-12" },
          ],
          addName: "",
          addPrice: "",
          list:JSON.parse(localStorage.setItem('pinpai')) || list
        },
        methods: {
          del(id) {
            this.list = this.list.filter((item) => item.id !== id);
          },
          add() {
            if (!this.addName) {
              return alert("输入的商品名称或商品价格不能为空");
            }
            this.list.push({
              id: 100 + this.list.length,
              name: this.addName,
              price: this.addPrice,
              time: "2024-12-24",
            });
            this.addName = "";
            this.addPrice = "";
          },
        },
        computed: {
          totalPrice() {
            return this.list.reduce((sum, item) => sum + item.price, 0);
          },
          perPrice() {
            return this.totalPrice / this.list.length;
          },
        },
        watch: {
          list: {
            deep: true,
            handler(newArr) {
              localStorage.setItem("pinpai", JSON.stringify(newArr));
            },
          },
        },
      });
    </script>
  </body>
</html>
